mpeg_2_mp4.sh

# Converts video from MPEG to MP4 so it can be opened by VLC or other media player
# And concats if needed


# Run in folder with videos ./mpeg_2_mp4.sh
# chmod u+x ./mpeg_2_mp4.sh


ALL_VIDEOS_FILE="all.txt"
STATUS_FILE="status.txt"
OUTPUT_FOLDER="$PWD/output"

# Remove previous directory if needed
# rm -rf $OUTPUT_FOLDER

if [ ! -d "$OUTPUT_FOLDER" ]; then
    mkdir -p $OUTPUT_FOLDER
fi

echo $OUTPUT_FOLDER

if [ -f $ALL_VIDEOS_FILE ] ; then
    rm $ALL_VIDEOS_FILE
fi

if [ -f $STATUS_FILE ] ; then
    rm $STATUS_FILE
fi

# find videos with format *.
find $PWD -maxdepth 1 -type f  -name "*.mp4" > $ALL_VIDEOS_FILE

while read video_file; do
    # echo -e "$video_file" >> $STATUS_FILE

    # output filename
    filename=$OUTPUT_FOLDER/$(basename -- "$video_file")

    echo -e "$filename" >> $STATUS_FILE
    echo -e "$filename"

    # demux -> mux video
    gst-launch-1.0 filesrc location=$video_file ! mpegpsdemux ! h264parse ! mp4mux ! filesink location=$filename sync=False -e

done < $ALL_VIDEOS_FILE


# Uncomment next to concat all videos
# cd $OUTPUT_FOLDER
# ffmpeg -f concat -safe 0 -i <(for f in ./*.mp4; do echo "file '$PWD/$f'"; done) -c copy all.mp4